const Map<String, String> zh_Hans = {
  'covid': '新冠肺炎',
  'total_confirmed': '确诊总数',
  'total_deaths': '死亡总数',
  'fetch_country': '查看国家',
  'corona_by_country': '按国家/地区',
  'total_infecteds': '感染者总数',
  'details': '详情',
  'total_recovered': '回收总量'
};
